Answer:
I'm not too sure but I think it's the need for medical plants
I would have chosen the need for oil, but I can't think of the way oil affects plants
Spinalis thoracis extends the spinal column
IT IS BISEXUAL SINCE IT HAS BOTH MALE AND FEMALE PARTS
If you look at Cosmos episode 1, I'm sure you find an answer there.
Answer:
carbon, hydrogen and oxygenation
